//
// (C) Copyright 2009 Irantha Suwandarathna (irantha@gmail.com)
// All rights reserved.
//

/* Copyright (c) 2001-2008, The HSQL Development Group
 * All rights reserved.
 *
 * Redistribution and use _in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions _in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer _in the documentation
 * and/or other materials provided with the distribution.
 *
 * Neither the name of the HSQL Development Group nor the names of its
 * contributors may be used to endorse or promote products derived from this
 * software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL HSQL DEVELOPMENT GROUP, HSQLDB.ORG,
 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */


using System;
using System.IO;
using EffiProz.Core.Errors;
using EffiProz.Core.Results;


namespace EffiProz.Core
{

    /**
     * Class encapsulating all exceptions that can be thrown within the engine.
     * Instances are used to create instances of  java.sql.SQLException and returned
     * to JDBC callers.
     *
     * @author fredt@users
     * @version 1.7.2
     * @since 1.7.2
     */
    [Serializable]
    public class CoreException : Exception
    {
        public static CoreException[] emptyArray = new CoreException[] { };
        public static CoreException noDataCondition =
                Errors.Error.error(ErrorCode.N_02000);

        private string message;
        private string state;
        private int code;
        private int level;
        private int statementGroup;
        private int statementCode;

        /**
        * @param message String
        * @param state XOPEN / SQL code for exception
        * @param code number code in HSQLDB
        */
        public CoreException(Exception t, String message, String state, int code)
            : base(message, t)
        {

            this.message = message;
            this.state = state;
            this.code = code;
        }

        /**
         * @param message String
         * @param state XOPEN / SQL code for exceptoin
         * @param code number code in HSQLDB
         */
        public CoreException(string message, string state, int code)
        {

            this.message = message;
            this.state = state;
            this.code = code;
        }

        /**
         * @param r containing the members
         */
        public CoreException(Result r)
        {

            this.message = r.getMainString();
            this.state = r.getSubString();
            this.code = (int)r.getStatementID();
        }

        public CoreException(Exception t, string errorState, int errorCode)
        {

            this.message = t.ToString();
            this.state = errorState;
            this.code = errorCode;
        }

        /**
         * @return message
         */
        public string getMessage()
        {
            return message;
        }

        /**
         * @return SQL State
         */
        public string getSQLState()
        {
            return state;
        }

        /**
         * @return vendor specific error code
         */
        public int getErrorCode()
        {
            return code;
        }

        public void setLevel(int level)
        {
            this.level = level;
        }

        public int getLevel()
        {
            return level;
        }

        public int getStatementCode()
        {
            return statementCode;
        }

        public void setStatementType(int group, int code)
        {
            statementGroup = group;
            statementCode = code;
        }

        public override int GetHashCode()
        {
            return code;
        }

        public override bool Equals(Object other)
        {

            if (other is CoreException)
            {
                CoreException o = (CoreException)other;

                return code == o.code && Equals(state, o.state)
                       && Equals(message, o.message);
            }

            return false;
        }

        private static new bool Equals(Object a, Object b)
        {

            if (a == b)
            {
                return true;
            }

            if (a == null || b == null)
            {
                return false;
            }

            return a.Equals(b);
        }

        public class EffiProzRuntimeMemoryError : OutOfMemoryException
        {
            EffiProzRuntimeMemoryError() { }
        }

    }
}